Public water system · AK2350146
ActiveUaf/Iab Toolik Field Station
At a glance
Uaf/Iab Toolik Field Station (PWSID AK2350146) is an active transient non-community water system in Fairbanks North Star Borough County, Alaska. It reports serving 175 people through 10 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
175
Service connections
10
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Uaf/Iab Toolik Field Station compare with other water systems in Fairbanks North Star Borough County?
By EPA's size categories, Uaf/Iab Toolik Field Station is a very small system (500 people or fewer). Fairbanks North Star Borough County has 65 active public water systems. Its population served is well below the county average of 2,499 people per system, and accounts for 0.1% of the 162,441 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Uaf/Iab Toolik Field Station is about 22% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Alaska has 689 active transient non-community water systems, 52% of the state's 1,322 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 150 Alaska systems (11%) list surface water as their primary source.
Who owns and regulates Uaf/Iab Toolik Field Station?
EPA lists Uaf/Iab Toolik Field Station as owned by a state government. The AK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 65 active systems in Fairbanks North Star Borough County (6.2%) are also owned by a state government.
Does Uaf/Iab Toolik Field Station have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. The violations listed here began between August 2005 and July 2024. By type: 9 monitoring and reporting, 1 monitoring, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (6 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-08-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | No | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2005-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2005-08-02 | Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28 | Not reported | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Uaf/Iab Toolik Field Station: frequently asked questions
Who runs Uaf/Iab Toolik Field Station?
Uaf/Iab Toolik Field Station (PWSID AK2350146) is a transient non-community water system owned by a state government. It is regulated by the AK state drinking water program.
How many people does Uaf/Iab Toolik Field Station serve?
Uaf/Iab Toolik Field Station reports serving 175 people through 10 service connections in Fairbanks North Star Borough County, Alaska.
Where does Uaf/Iab Toolik Field Station get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Uaf/Iab Toolik Field Station have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Uaf/Iab Toolik Field Station's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Uaf/Iab Toolik Field Station's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Uaf/Iab Toolik Field Station is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Fairbanks North Star Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Golden Heart Utilities | Fairbanks North Star Borough | 78,324 | Community | Groundwater |
| College Utilities Corporation | Fairbanks North Star Borough | 27,000 | Community | Purchased groundwater |
| Ft Wainwright - Main Post | Fairbanks North Star Borough | 20,076 | Community | Groundwater |
| Eielson - Air Force Base | Fairbanks North Star Borough | 11,870 | Community | Groundwater |
| University of Alaska - Fairbanks | Fairbanks North Star Borough | 6,200 | Community | Purchased groundwater |
| North Pole Utilities | Fairbanks North Star Borough | 4,005 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Uaf/Iab Toolik Field Station, PWSID AK2350146, Alaska”, https://aquacensus.com/water-systems/alaska/uaf-iab-toolik-field-station-ak2350146 (data as of October 1, 2026).